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`enablePropagateScopeDepsHIR` is now used extensively in Meta. This has been tested for over two weeks in our e2e tests and production. The rest of this stack deletes `LoweredFunction.dependencies`, which the non-hir version of `PropagateScopeDeps` depends on. To avoid a more forked HIR (non-hir with dependencies and hir with no dependencies), let's go ahead and clean up the non-hir version of PropagateScopeDepsHIR. Note that all fixture changes in this PR were previously reviewed when they were copied to `propagate-scope-deps-hir-fork`. Will clean up / merge these duplicate fixtures in a later PR ' --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/31199). * #31202 * #31203 * #31201 * #31200 * #31346 * __->__ #31199
babel-plugin-react-compiler
React Compiler is a compiler that optimizes React applications, ensuring that only the minimal parts of components and hooks will re-render when state changes. The compiler also validates that components and hooks follow the Rules of React.
This package contains the React Compiler Babel plugin use in projects that make use of Babel. You can find instructions for using this plugin here: https://react.dev/learn/react-compiler